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Airida [17]
3 years ago
12

Is this correct??????????????????????????????????????

Mathematics
1 answer:
damaskus [11]3 years ago
4 0

Answer: uh sure

Step-by-step explanation:

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Implicit differentiation of 1/x +1/y=5 y(4)= 4/19<br> y'(4)=?
Aneli [31]
\frac{1}{x} +\frac{1}{y} = 5\\\\x^{-1}+y^{-1}=5\\

Above, I changed the fraction form of x and y into exponential form so it is easier to see the differentiation. Now, we can differentiate:

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Now that we have dy/dx, we can plug in the x, which is 4, and the y, which is 4/19. We know these values of x and y because your question stated y(4) = 4/19.

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